supervolcano
Noun
Meaning
supervolcano (plural supervolcanoes or supervolcanos)
(volcanology) A powerful volcano, often having an explosive or cataclysmic eruption.
Synonym: (uncommon) hypervolcano
Examples
An asteroid or a supervolcano could certainly destroy us, but we also face risks the dinosaurs never saw: An engineered virus, nuclear war, inadvertent creation of a micro black hole, or some as-yet-unknown technology could spell the end of us.
It has been termed a " supervolcano " because the caldera was formed by exceptionally large explosive eruptions.
In the review, Byers refers to Mount Multnomah as a supervolcano.
Three times over the last 2.1 million years, the terrifying supervolcano beneath Yellowstone National Park has erupted with force a thousand times more powerful than Mount St. Helens.
The eruption of Mount Tambora in Indonesia in 1815 — the only known supervolcano eruption in modern history — was 10 times more powerful than Krakatoa and more than 100 times more powerful than Vesuvius or Mount St. Helens, according to the university.
The last Yellowstone supervolcano eruption went off an estimated 640,000 years ago and some fear Yellowstone is overdue another blast.